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FDC37C665GT Datasheet(PDF) 10 Page - SMSC Corporation |
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FDC37C665GT Datasheet(HTML) 10 Page - SMSC Corporation |
10 / 152 page 10 DESCRIPTION OF PIN FUNCTIONS PIN NO. NAME SYMBOL BUFFER TYPE DESCRIPTION 81 nRequest to Send Parallel Port Configuration Control nRTS1 PCF1 O4 I Active low Request to Send output for Primary Serial Port. Handshake output signal notifies modem that the UART is ready to transmit data. This signal can be programmed by writing to bit 1 of Modem Control Register (MCR). The hardware reset will reset the nRTS signal to inactive mode (high). Forced inactive during loop mode operation. FDC37C666GT (Adapter Mode): Parallel Port Configuration Control 1. During reset active this input is read and latched to define the address of the Parallel Port. 91 nRequest to Send Secondary Serial Port Configuration Control nRTS2 S2CF0 O4 I Active low Request to Send output for Secondary Serial Port. Handshake output signal notifies modem that the UART is ready to transmit data. This signal can be programmed by writing to bit 1 of Modem Control Register (MCR). The hardware reset will reset the nRTS signal to inactive mode (high). Forced inactive during loop mode operation. FDC37C666GT (Adapter Mode): Secondary Serial Port Configuration Control 0. During Reset active this input is read and latched to define the address of the Secondary Serial Port. |
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